Which enzymes are needed to produce recombinant plasmids to be used in gene transfer?
a. dna polymerase and dna ligase
b. dna polymerase and restriction enzyme (endonuclease)
c. transcriptase and rna polymerase
d. restriction enzyme (endonuclease) and dna ligase

Name the types of burns one can get and which structures of the integument are damaged

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls

Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .